Base | Representation |
---|---|
bin | 110101110110… |
… | …1010000111010 |
3 | 1222010110212201 |
4 | 1223231100322 |
5 | 24212003220 |
6 | 2445100414 |
7 | 461664142 |
oct | 153552072 |
9 | 58113781 |
10 | 28234810 |
11 | 14a3525a |
12 | 955770a |
13 | 5b076b6 |
14 | 3a6d922 |
15 | 272ad0a |
hex | 1aed43a |
28234810 has 16 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 11266000.
The previous prime is 28234793. The next prime is 28234819. The reversal of 28234810 is 1843282.
It is a super-2 number, since 2×282348102 = 1594408991472200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28234819) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035 + ... + 7585.
It is an arithmetic number, because the mean of its divisors is an integer number (3184272).
Almost surely, 228234810 is an apocalyptic number.
28234810 is a deficient number, since it is larger than the sum of its proper divisors (22713542).
28234810 is a wasteful number, since it uses less digits than its factorization.
28234810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6989.
The product of its (nonzero) digits is 3072, while the sum is 28.
The square root of 28234810 is about 5313.6437592296. The cubic root of 28234810 is about 304.5053704509.
The spelling of 28234810 in words is "twenty-eight million, two hundred thirty-four thousand, eight hundred ten".
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